Magnesium Oxide Crucibles and Trays

Description of Magnesium Oxide Crucibles and Trays

Our magnesium oxide (magnesia) crucibles and trays are manufactured from high purity fused magnesium oxide grain. A direct substitution of up to 2% Y2O3 is made at the expense of MgO. The Y2O3 promotes sintering and is totally inert and equivalent to MgO in all applications.

Magnesium oxide crucibles and trays are available in various sizes and wall thicknesses for a range of high temperature applications. We can also produce MgO products to customers' specifications.

MgO benefits from increased corrosion resistance over alumina. Fired MgO parts have reasonably good mechanical strength, but are susceptible to thermal shock. Uniform heating and cooling conditions are necessary to avoid thermal shock damage. Maximum heating and cooling rates of 200℃ per hour are recommended and thermal gradients should be avoided. If being used at temperatures above about 1200℃, creep strength limitations should also be provided for. Please consult us with any questions concerning physical properties.

Magnesium oxide crucibles and trays are good for the application of ultra high temperature processes up to 4000°F (2200°C). MgO crucible is a better alternative to alumina (Al2O3) crucible due to its superior chemical resistance and its inertness to metals, slags and superconductor compounds.

When MgO crucibles are used in lithium solid state electrolyte synthesis or sintering, MgO has its own unique advantage of not reacting with Lithium unlike Al2O3 crucibles, therefore it maintains the lithium vapor pressure better without causing access lithium loss in the solid state electrolyte.

Other uses include:

● Superconductor material processing

● Beta Alumina Processing

● Dielectric, piezoelectric, pyroelectric material processing

● Nickel based super alloy processing

● Plutonium and Uranium related material processing

Composition of Magnesium Oxide Crucibles and Trays

● MgO + Y2O3 99.38 %

● CaO 0.38 %

● SiO2 0.4 %

● Al2O3 0.03 %

● Fe2O3 0.07 %

● B2O3 0.01 %

Applications and Related Industries for Magnesium Oxide Crucibles and Trays

● Chemical Manufacturing

● Material Processing

● Research & Laboratory

● Thin Film Deposition

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